THEFT DETERRENT SYSTEM(for 5L-E) TERMINALS OF ECU


  1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    B001H5NC01
    *A for LHD *B for RHD
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

    2. Connect the driver side junction block assembly connectors.

    3. Measure the voltage and resistance according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      A-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground - Ignition switch power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      A-29 (ACC) - Body ground - ACC power supply Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω

    4. Install the main body ECU (multiplex network body ECU).

      Click here

    5. Measure the voltage and waveform according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy light switch input Front door LH open Below 1 V
      Front door LH closed 11 to 14 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy light switch input Front door LH open Below 1 V
      Front door LH closed 11 to 14 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy light switch input Front door RH open Below 1 V
      Front door RH closed 11 to 14 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy light switch input Front door RH open Below 1 V
      Front door RH closed 11 to 14 V
      G65-3 (LCTY) - Body ground V - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V
      Rear door LH closed 11 to 14 V
      G64-6 (RCTY) - Body ground R - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V
      Rear door RH closed 11 to 14 V
      G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Back door open Below 1 V
      Ignition switch off, all doors closed and back door closed 11 to 14 V
      G64-1 (GCTY) - Body ground*3 V - Body ground Glass hatch courtesy light switch signal Glass hatch open Below 1 V
      Glass hatch closed 11 to 14 V
      G64-11 (L2) - Body ground GR - Body ground Driver side door key-linked lock input Driver side door key cylinder in lock position Below 1 V
      Ignition switch off, all doors closed and driver side door key cylinder in neutral position 11 to 14 V
      G64-24 (UL3) - Body ground LG - Body ground Driver side door key-linked unlock input Driver side door key cylinder in unlock position Below 1 V
      Ignition switch off, all doors closed and driver side door key cylinder in neutral position 11 to 14 V
      2D-3 (ACT+) - Body ground L - Body ground Door lock motor lock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed, or driver side door key cylinder in lock position 11 to 14 V
      2I-8 (ACT+) - Body ground*1 L - Body ground Door lock motor lock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed, or driver side door key cylinder in lock position 11 to 14 V
      2H-8 (ACT+) - Body ground*2 L - Body ground Door lock motor lock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed, or driver side door key cylinder in lock position 11 to 14 V
      2D-1 (ACTD) - Body ground G - Body ground Driver side door lock motor unlock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      2D-2 (ACT-) - Body ground W - Body ground Door lock motor unlock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      2I-10 (ACT-) - Body ground*1 W - Body ground Door lock motor unlock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      2H-10 (ACT-) - Body ground*1 W - Body ground Door lock motor unlock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Front door LH unlocked Below 1 V
      Ignition switch off, all doors closed and front door LH locked 11 to 14 V
      G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Front door RH unlocked Below 1 V
      Ignition switch off, all doors closed and front door RH locked 11 to 14 V
      2I-25 (LSWL) - Body ground*1 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      Ignition switch off, all doors closed and rear door LH locked 11 to 14 V
      2D-16 (LSWL) - Body ground*2 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      Ignition switch off, all doors closed and rear door LH locked 11 to 14 V
      G63-2 (LSWR) - Body ground V - Body ground Rear door RH lock position switch input Rear door RH unlocked Below 1 V
      Ignition switch off, all doors closed and rear door RH locked 11 to 14 V
      G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Back door lock unlocked Below 1 V
      Ignition switch off, all doors closed and back door locked 11 to 14 V
      2D-34 (IND) - Body ground G - Body ground Security indicator light signal Security indicator light illuminates (illuminates only for 30 (+/-5) seconds in alarm sounding state (blinks when system in armed state)) 3 to 6 V
      2F-23 (HCTY) - Body ground B - Body ground Engine hood courtesy switch Engine hood open Below 1 V
      Ignition switch off, all doors closed and engine hood closed 11 to 14 V
      2F-29 (HORN) - Body ground G - Body ground Vehicle horn signal Vehicle horn sounding (theft warning system in alarm sounding state) Pulse generation
      Vehicle horn not sounding (theft warning system in armed state) 11 to 14 V
      2F-25 (SH) - Body ground GR - Body ground Security horn signal Security horn sounding (theft warning system in alarm sounding state) Pulse generation
      Security horn not sounding (theft warning system in armed state) 11 to 14 V

      • *1: for LHD

      • *2: for RHD

      • *3: w/ Glass Hatch Opener System